<span>Primary endocrine disorders may be due to damage to the hormone producing organ. Karen’s thyroid gland suffered damage from repeated exposure to radiation because of a neck injury. The option which is least likely to be part of a primary endocrine disorder for Karen is decreased osteoblast sensitivity to calcitronin. </span>
C. Condensation and Evaporation are the two ways in which energy is transferred between layers of the atmosphere.
James Watson and Francis Crick are the two scientists to doscover the structure of DNA.
